Subject Area
Mechanical Power Engineering
Article Type
Original Study
Abstract
The aerodynamic interaction between the steam flow distribution coming from high pressure steam turbine to extraction and medium pressure steam turbine of a large scale axial turbine (21 MW) is experimentally studied. The data is concerned with the measurements of the time average and Steam discharge of high pressure turbine and medium pressure turbine on one rotor. It also includes the measurements of instantaneous speed and vibration. These data were acquired with analog-digital converter accompained with acquisition rate of 70 KHz. It was seen that disturbed steam distribution, rise of vibration level with fluctuation range up to dangerous value. This may be due to a series of excitation on the rotor. This vibration peak appears on the vibration frequency spectrum.. at frequency equal to turbine speed. The optimum steam distribution between high and medium pressure turbines as a function of turbine speed and vibration level was obtained.
Recommended Citation
Mostafa, Nabil
(2021)
"Steam Distribution Excitation between High & Medium Pressure Turbines.,"
Mansoura Engineering Journal: Vol. 18
:
Iss.
3
, Article 13.
Available at:
https://doi.org/10.21608/bfemu.2021.165552
